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A storage battery of emf 0.8 V and inter...

A storage battery of emf 0.8 V and internal resistance `0.5 Omega` is being charged by a 120 V do supply using a series resistor of `15.5 Omega`. What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?

A

11.5 V

B

15.5 V

C

17.5 V

D

14.5 V

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
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  4. A battery is charged at a potential of 15 V for 8 hours when the curre...

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  10. Four resistors A, and D form a Wheatstone bridge. The bridge is bala...

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  11. In the circuit shown in the figure, the value of Resistance X, when po...

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  12. In the circuit shown, if a conducting wire is connected between points...

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  13. The resistances of the four arms P,Q,R and S in a Wheatstone's bridge ...

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  14. The balancing point in a meter bridge is 44 cm. If the resistances in ...

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  15. A 6Omega resistance is connected in the left gap of a meter bridge. In...

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  16. Two equal resistances are connected in the gaps of a metre bridge. If ...

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  17. When un known resistance and a resistance of 4Omega are used in the le...

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  18. Two unknown resistances x and y are connected in the left and right ga...

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  19. When two resistances (50)/(3)Omega and unknown resistance are connecte...

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  20. In a meter bridge experiment Two unknown resistances X and Y are conne...

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